Math in my world / 
 Math in my world : developing problem solvers 
Douglas H. Clements ... [et al.] 
 - New York :  McGraw-Hill School Division,  c1999 
 - v. :  ill. ;  29 cm. 
<br/><br/> Cover title: Math in my world : developing problem solvers 
<br/><br/><label>ISBN: </label>0021110336 (gr.3) 0021110298 (gr.6) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Primary)<br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>510  / Ma426